Susan Hendricks reports on a new study that finds heavy sleepers have different brain wave patterns than light sleepers.
- Sleep spindles produced by the thalamus.
- Sleep spindles block sound, the more sleep spindles a person generates, the more stable their sleep.
Susan Hendricks reports on a new study that finds heavy sleepers have different brain wave patterns than light sleepers.
Why do some sleep better than others?
http://cnn.com/video/?/video/health/2010/08/10/hm.hendricks.sleep.patterns.cnn